ETA elektron eta api upa java eta consumer eta consumer example eta c eta c++ c++ elektron eta source directory trcc ssl c reconnect api elektron sdk c ezd eta trcc ert in cloud view callback dictionary MarketFeed batchrequest Service eta decode rcc batch request refresh token eikon-sdk idn symbol list reactor java api resiliency DACS linux elektronsdk eta shared library login stream trthv2 error code map millisecond multi-thread eta api status rtl unsubscribe upa training module missing data subscription 1.2.0 elektron sdk - java documentation mrn exchangelist chain slow rsslbuffer rssl rsslfieldlist fields vc11 Blank_Field convert millisec dictionary reuse groups rssl_ret_incomplete_data eta sbe rwf omm item recovery service id identify trade rssl_rc_cet_channel_down_reconnecting real vaconsumer eta connection cusip 64 bit mergedtogroup batch enum description trcc eta login failed rsslstate failover rssl_mc_update eta fid number acronym one-to-many publish ert in cloud trial limit connect data model gold price load balance tr contribution channel electron api nfd niprovider bds hkex sink driven source sdk rtmes upa reactor connect reconnect up ready secure java upa solarflaire onload snapshot with open stream timestamp message rssl state dictionary in data centers stress test overrun conflation rssl_mc_status PauseResume open-source aws concurrent equity quotes symbollist reboot monitoring rdm_directory_service_group_id conditional compilation ssl eta migrate analytics edf idn_rdf _ms dispatch rdf-d market price rssl_ret_invalid_data missing documentation connection recovery price trade segfault sequence electron symbols-by-exchange constituents consumer FID group stale rsslfieldentry eta blank value to the field handle group status events 3.4.0l1 ni provider disconnect suspect status encodeiterator enum service name ema hint docker ric groupid size streamid market_by_price signals capabilities rssl_stream_close rsslmap empty snapshot elecktron ads encryption real-time-data maximum dictionary for services corrupt elektron sdk utilization valueadd warm standby rdm contribution esdk build quotes search refresh_complete performance t ADS version negative ric OMM elektron-direct-feed building from source